Image masking is a very high level image editing procedures. As we know that for any kind of Photoshop image editing services clipping path is necessary. We can say that sometimes regular Photoshop clipping path does not work at all due to fur, hair and so on, only then image masking is applied. In other words, it can be said that image masking is applied to remove the background of the images without changing the actual images that have hair or fur potions and when regular clipping path is failed.